1618864852136 has 16 divisors (see below), whose sum is σ = 3468996111840. Its totient is φ = 693799222320.

The previous prime is 1618864852127. The next prime is 1618864852183. The reversal of 1618864852136 is 6312584688161.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14454150410 + ... + 14454150521.

It is an arithmetic number, because the mean of its divisors is an integer number (216812256990).

Almost surely, 2^{1618864852136} is an apocalyptic number.

It is an amenable number.

1618864852136 is an abundant number, since it is smaller than the sum of its proper divisors (1850131259704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1618864852136 is a wasteful number, since it uses less digits than its factorization.

1618864852136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28908300944 (or 28908300940 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 59.

The spelling of 1618864852136 in words is "one trillion, six hundred eighteen billion, eight hundred sixty-four million, eight hundred fifty-two thousand, one hundred thirty-six".